This document is a commercial offer for sand gold processing equipment. It lists various pieces of equipment such as bins, conveyor belts, screens, and mills. Prices and specifications are provided for each item. The total price for all equipment is $38,340 FOB from Qingdao, China. The document also outlines terms and conditions of the sale including requirements for payment, packaging, delivery time, warranties, and installation support if needed. Contact information is provided at the end for any additional questions.